9874722942 has 36 divisors (see below), whose sum is σ = 24888334536. Its totient is φ = 2821349160.

The previous prime is 9874722881. The next prime is 9874722967. The reversal of 9874722942 is 2492274789.

It is a happy number.

9874722942 is a `hidden beast` number, since 9 + 87 + 472 + 2 + 94 + 2 = 666.

It is a super-2 number, since 2×9874722942² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 5597034 + ... + 5598797.

It is an arithmetic number, because the mean of its divisors is an integer number (691342626).

Almost surely, 2^9874722942 is an apocalyptic number.

9874722942 is an abundant number, since it is smaller than the sum of its proper divisors (15013611594).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9874722942 is a wasteful number, since it uses less digits than its factorization.

9874722942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11195853 (or 11195843 counting only the distinct ones).

The product of its digits is 4064256, while the sum is 54.

The square root of 9874722942 is about 99371.6405318942. The cubic root of 9874722942 is about 2145.4001489935.

The spelling of 9874722942 in words is "nine billion, eight hundred seventy-four million, seven hundred twenty-two thousand, nine hundred forty-two".